Summary:
r366702 added a set of new clang-cl -- specific openmp flags together with tests.
The way the newly added tests work is problematic: consider for example this
asertion:
```
// RUN: %clang_cl --target=x86_64-windows-msvc /openmp -### -- %s 2>&1 | FileCheck --check-prefix=CHECK-CC1-OPENMP %s
...
// CHECK-CC1-OPENMP: "-fopenmp"
```
It asserts that an `/openmp` flag should expand into `-fopenmp`. This however
depends on the default value of Clang's CLANG_DEFAULT_OPENMP_RUNTIME value.
Indeed, the code that adds `-fopenmp` to the output only does it if the default
runtime is `libomp` or `libiomp5`, not when it is `libgomp`.
I've updated the tests to not depend on the default value of this setting by
specifying the runtime to use explicitly in each assertion.
Reviewers: jdoerfert
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D65272
llvm-svn: 367012
trunc (load X) --> load (bitcast X to narrow type)
We have this transform in DAGCombiner::ReduceLoadWidth(), but the truncated
load pattern can interfere with other instcombine transforms, so I'd like to
allow the fold sooner.
Example:
https://bugs.llvm.org/show_bug.cgi?id=16739
...in that report, we have bitcasts bracketing these ops, so those could get
eliminated too.
We've generally ruled out widening of loads early in IR ( LoadCombine -
http://lists.llvm.org/pipermail/llvm-dev/2016-September/105291.html ), but
that reasoning may not apply to narrowing if we can preserve information
such as the dereferenceable range.
Differential Revision: https://reviews.llvm.org/D64432
llvm-svn: 367011
Rename lang mode flag to -cl-std=clc++/-cl-std=CLC++
or -std=clc++/-std=CLC++.
This aligns with OpenCL C conversion and removes ambiguity
with OpenCL C++.
Differential Revision: https://reviews.llvm.org/D65102
llvm-svn: 367008
Summary:
When cross TU analysis is used it is possible that a macro expansion
is generated for a macro that is defined (and used) in other than
the main translation unit. To get the expansion for it the source
location in the original source file and original preprocessor
is needed.
Reviewers: martong, xazax.hun, Szelethus, ilya-biryukov
Reviewed By: Szelethus
Subscribers: mgorny, NoQ, ilya-biryukov, rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D64638
llvm-svn: 367006
If debugserver or any other framework tool gets built first, its post-build copy operation was using 'Resources' as the file name instead of the destination directory. It was not a problem with Ninja, because here the framework structure was alreaady created at configuration time. With this fix, both generators are happy.
llvm-svn: 367005
With fix: do not use `stat` tool.
Original commit message:
This is a follow-up refactoring patch for recently
introduced functionality which which reduces the code duplication
and also makes possible to redefine all possible fields of
the first SHT_NULL section (previously it was only possible to set
sh_link and sh_size).
Differential revision: https://reviews.llvm.org/D65140
llvm-svn: 367003
We should only zap returns in functions, where all live users have a
replace-able value (are not overdefined). Unused return values should be
undefined.
This should make it easier to detect bugs like in PR42738.
Alternatively we could bail out of zapping the function returns, but I
think it would be better to address those divergences between function
and call-site values where they are actually caused.
Reviewers: davide, efriedma
Reviewed By: davide, efriedma
Differential Revision: https://reviews.llvm.org/D65222
llvm-svn: 366998
We reorder declarations in RecordDecls because they may have another order
in the "to" context than they have in the "from" context. This may happen
e.g when we import a class like this:
struct declToImport {
int a = c + b;
int b = 1;
int c = 2;
};
During the import of `a` we import first the dependencies in sequence,
thus the order would be `c`, `b`, `a`. We will get the normal order by
first removing the already imported members and then adding them in the
order as they apper in the "from" context.
Keeping field order is vital because it determines structure layout.
Reviewers: a_sidorin, shafik
Tags: #clang
Differential Revision: https://reviews.llvm.org/D44100
llvm-svn: 366997
Summary:
After rL366893, the annoate tweak is not activated when we select the
whole file (the commonAncestor is TUDecl but we intend to return null).
This patch fixes this, and also avoid traversing the TUDecl.
Reviewers: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D65210
llvm-svn: 366996
Summary:
Similarly to the compile unit lists, the list of types can also be
managed by the symbol file itself.
Since the only purpose of this list seems to be to maintain an owning
reference to all the types a symbol file has created (items are only
ever added to the list, never retrieved), I remove the passthrough
functions in SymbolVendor and Module. I also tighten the interface of
the function (return a reference instead of a pointer, make it protected
instead of public).
Reviewers: clayborg, JDevlieghere, jingham
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D65135
llvm-svn: 366994
This refactors boolean 'OptForSize' that was passed around in a lot of places.
It controlled folding of the tail loop, the scalar epilogue, into the main loop
but code-size reasons may not be the only reason to do this. Thus, this is a
first step to generalise the concept of tail-loop folding, and hence OptForSize
has been renamed and is using an enum ScalarEpilogueStatus that holds the
status how the epilogue should be lowered.
This will be followed up by D65197, that picks up the predicate loop hint and
performs the tail-loop folding.
Differential Revision: https://reviews.llvm.org/D64916
llvm-svn: 366993
This simplifies various workflows, particularly in debugging/development.
e.g. editors will tend to propagate flags, so you can run
`env CLANGD_FLAGS=-input-mirror-file=/tmp/mirror vim foo.cc` rather than
change the configuration in a persistent way.
(This also gives us a generic lever when we don't know how to customize
the flags in some particular LSP client).
While here, add a test for this and other startup logging, and fix a
couple of direct writes to errs() that should have been logs.
Differential Revision: https://reviews.llvm.org/D65153
llvm-svn: 366991
Summary:
In PostRA phase, we often have to find out the most recent definition
of a register. This patch adds getDefMIPostRA so that other methods
can use it rather than implementing it repeatedly.
Differential Revision: https://reviews.llvm.org/D65131
llvm-svn: 366990
This adds a new vectorize predication loop hint:
#pragma clang loop vectorize_predicate(enable)
that can be used to indicate to the vectoriser that all (load/store)
instructions should be predicated (masked). This allows, for example, folding
of the remainder loop into the main loop.
This patch will be followed up with D64916 and D65197. The former is a
refactoring in the loopvectorizer and the groundwork to make tail loop folding
a more general concept, and in the latter the actual tail loop folding
transformation will be implemented.
Differential Revision: https://reviews.llvm.org/D64744
llvm-svn: 366989
* Add --no-show-raw-insn to llvm-objdump -d tests
* When linking an executable with %t.so, the path %t.so will be recorded
in the DT_NEEDED entry if %t.so doesn't have DT_SONAME. .dynstr will
have varying lengths on different systems. Add -soname to make tests
more robust.
llvm-svn: 366988
Summary:
Add a new method which tries to compute the target address referenced by an operand.
This patch supports x86_64 RIP-relative addressing for now.
It is necessary to print referenced symbol names in llvm-objdump.
Reviewers: andreadb, MaskRay, grosbach, jgalenson, craig.topper
Reviewed By: MaskRay, craig.topper
Subscribers: bcain, rupprecht, jhenderson, hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D63847
llvm-svn: 366987
These tests are breaking three independent upstream buildbots (as well
downstream ones). These breakages have appeared mysteriously,
consistently, and during different revisions. Sadly, none of
{ASAN,TSAN,MSAN,UBSAN} flag anything, so the cause here is nonobvious.
Until we've figured this out, it seems best to disable these tests
entirely, so that the affected bots don't remain silent about any other,
unrelated failures.
Please see PR42719 for more information.
llvm-svn: 366986
Summary:
Due to a logic error, lldb-server ended up asserting/crashing every time
the debugged process attempted an execve(). This fixes the error, and
extends TestExec to work on other platforms too. The "extension"
consists of avoiding non-standard posix_spawn extensions and using the
classic execve() call, which should be available on any platform that
actually supports re-execing. I change the test decorator from
@skipUnlessDarwin to @skipIfWindows.
Reviewers: clayborg, jasonmolenda
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D65207
llvm-svn: 366985
Summary:
Every time PrettyPrinter::printInst is called, stdout is flushed and it makes llvm-objdump slow. This patches adds a string
buffer to prevent stdout from being flushed.
Benchmark results (./llvm-objdump-master: without this patch, ./bin/llvm-objcopy: with this patch):
$ hyperfine --warmup 10 './llvm-objdump-master -d ./bin/llvm-objcopy' './bin/llvm-objdump -d ./bin/llvm-objcopy'
Benchmark #1: ./llvm-objdump-master -d ./bin/llvm-objcopy
Time (mean ± σ): 2.230 s ± 0.050 s [User: 1.533 s, System: 0.682 s]
Range (min … max): 2.115 s … 2.278 s 10 runs
Benchmark #2: ./bin/llvm-objdump -d ./bin/llvm-objcopy
Time (mean ± σ): 386.4 ms ± 13.0 ms [User: 376.6 ms, System: 6.1 ms]
Range (min … max): 366.1 ms … 407.0 ms 10 runs
Summary
'./bin/llvm-objdump -d ./bin/llvm-objcopy' ran
5.77 ± 0.23 times faster than './llvm-objdump-master -d ./bin/llvm-objcopy'
Reviewers: alexshap, Bigcheese, jhenderson, rupprecht, grimar, MaskRay
Reviewed By: jhenderson, MaskRay
Subscribers: dexonsmith, jhenderson, javed.absar, kristof.beyls, rupprecht, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D64969
llvm-svn: 366984
lit's test suite calls lit multiple times for various sample test
suites. `FILECHECK_OPTS` is safe for FileCheck calls in lit's test
suite. It's not safe for FileCheck calls in the sample test suites,
whose output affects the results of lit's test suite.
Without this patch, only one such sample test suite is protected from
`FILECHECK_OPTS`, and I admit I haven't discovered other cases for
which I can produce false failures using `FILECHECK_OPTS`. However,
it's hard to predict the future, especially false passes. Thus, this
patch protects all existing and future sample test suites from
`FILECHECK_OPTS` (and the deprecated
`FILECHECK_DUMP_INPUT_ON_FAILURE`).
Reviewed By: probinson
Differential Revision: https://reviews.llvm.org/D65156
llvm-svn: 366980
This reverts commit r366972 which broke the following tests:
Clang :: CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x.cpp
Clang :: CXX/dcl.decl/dcl.init/dcl.init.list/p7-cxx11-nowarn.cpp
llvm-svn: 366979
Summary:
This script can be used for uploading relases sources and binaries
to github.
Reviewers: hans
Reviewed By: hans
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D64841
llvm-svn: 366977
The FileCollector got lifted into LLVM and a shim was introduced in LLDB
to keep the old API that takes FileSpecs. This patch removes that shim
and converts the arguments in place.
llvm-svn: 366975
Issue an warning when the code tries to do an implicit int -> float
conversion, where the float type ha a narrower significant than the
float type.
The new warning is controlled by flag -Wimplicit-int-float-conversion,
under -Wimplicit-float-conversion and -Wconversion.
Differential Revision: https://reviews.llvm.org/D64666
llvm-svn: 366972
Summary:
Removes hard coded valuse for alignment in -create.
Patch by Anusha Basana <anusha.basana@gmail.com>
Differential Revision: https://reviews.llvm.org/D64871
llvm-svn: 366970
Change MAXSECTALIGN to a public MaxSectionAlignment in MachOUniversal.
Will be used in a follow-up.
Patch by Anusha Basana <anusha.basana@gmail.com>
Differential Revision: https://reviews.llvm.org/D65117
llvm-svn: 366969
Add test to verify clean failure, exit code 1 for valid architecture not
present in the universal binary.
Patch by Anusha Basana <anusha.basana@gmail.com>
Differential Revision: https://reviews.llvm.org/D65251
llvm-svn: 366968
Summary:
Make SymbolizerProcess::StartSymbolizerSubprocess virtual and protected
to allow subclasses to customize it via "override and call".
Subscribers: kubamracek, #sanitizers, llvm-commits
Tags: #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D65252
llvm-svn: 366967
This patch changes the coding style of the FileCollector from the LLDB
to the LLVM coding style. Alex recently lifted it into LLVM and I
volunteered to do the conversion.
llvm-svn: 366966
Sanjay Patel